Patents by Inventor Hubert De Roquefeuille

Hubert De Roquefeuille has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6382136
    Abstract: A method is provided for treating the foot or hooves of animals used for breeding that are kept in sheds, especially cattle and particularly dairy cattle. The method is characterized in that in a first phase, the feet or hooves of the animals are cleaned with water or a detergent containing soap or tensides, using an automatic spray system in order to remove all traces of excrement, especially manure or other dirt, for example straw, and then in a second phase, the previously cleaned feet or hooves are treated with a disinfectant by wetting or spraying.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: May 7, 2002
    Assignee: Henkel Ecolab GmbH & Co. oHG
    Inventors: Siegfried Bragulla, Gilbert Bardoneschi, Alain Collin, Hubert De Roquefeuille